function changeBgImage(obj)
{
obj.style.background-image="url(2.gif)";
obj.style.background-position-x="2px";
obj.style.background-position-y="3px";
}
{
obj.style.background-image="url(2.gif)";
obj.style.background-position-x="2px";
obj.style.background-position-y="3px";
}
obj.style.backgroundImage="url(2.gif)";
obj.style.backgroundPositionX="2px";
obj.style.backgroundPositionY="3px";
}
function changeBgImage(obj){
obj.style.cssText="background:url('2.gif') no-repeat 2 3";
}